According to studies, men change their minds two to three times more often than women.
72
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Nylon is made from coal and petroleum.
42
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Iron weighs more after it rusts.
16